The story follows Percy Jackson as the protagonist in the book series. He fights to survive at Camp Half-Blood the legendary training ground for demigods. The main antagonist is Luke Castellan. a demigod son of Hermes. Mythical foes such as Medusa and the Minotaur challenge Percy and friends. The central quest is to recover Zeus's stolen lightning bolt. He faces accusations of stealing Zeus's bolt. Allies help him through the quest.